Yes, I'm almost surprised Audi has no RS5 Sportback.
There's a difference between the 3er GT and the A5. Audi does not have an equivalent to the 3er GT. The A5 Sportback competes with the forthcoming 4er Gran Coupe.
An RS 5 Sportback makes sense, as will an M4 Gran Coupe. An M3 GT makes no sense.
